Waltho et al reported a classification system for gynecomastia. This correlates with the surgical procedure. The authors are from the University of Ottawa and McMaster University.
Patient selection: male with gynecomastia
Parameters for each breast:
(1) estimated breast weight in grams
(2) composition (predominantly fibroglandular versus fatty)
(3) marked skin redundancy
(4) ptosis by Regnault classification
Breast Weight
Class
< 250 g
I
250 to 500 g
II
> 500 g
III
For Class I and II
Composition
Marked Skin Redundancy
Subclass
fibroglandular
no
Ai
fibroglandular
yes
Aii
fatty
no
Bi
fatty
yes
Bii
Final designation: (Class)&(Subclass)
For Class III
Ptosis
Class
grade I
IIIA
grade II
IIIB
grade III
IIIC
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